---_____must I take this medicine every day?  --- Three times a day.
#24416
A
How long
B
How often
C
How far
D
How
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— Sorry, Sir. I didn’t quite follow you.— ______. I’ll explain it to you later.
#2954
A
Don’t mention it
B
Come on
C
That’s right
D
Don’t worry
—Can I have a day off tomorrow, Mr. Johnson?—__________. I can manage without you.
#2785
A
Forget it
B
I’m afraid not
C
It depends
D
Of course
—Thank you for giving us a wonderful Chinese dinner, Ms. Wang.—__________________.         
#2985
A
Oh. I’m afraid I didn’t cook very well.
B
I’m glad you enjoy it.
C
Come again when you are free.
D
It’s not polite of you to say so.